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    • 32. 发明授权
    • Cross linkable fluorine-containing polymer
    • 可交联的含氟聚合物
    • US4501869A
    • 1985-02-26
    • US517334
    • 1983-07-26
    • Masayoshi TatemotoMasahiko OkaHideo KanoMasayasu TomodaYutaka Ueta
    • Masayoshi TatemotoMasahiko OkaHideo KanoMasayasu TomodaYutaka Ueta
    • C08L27/12C08F2/38C08F4/00C08F4/28C08F14/00C08F14/18C08K5/04C08K5/17C08L1/00C08L7/00C08L21/00C08L25/18C08L27/00C08L29/10C08L33/00C08L33/02C08L47/00C08F214/16
    • C08F14/18C08F2438/01
    • An easily cross linkable fluorine-containing polymer comprising: (1) a polymeric chain comprising one or more polymer segments, at least one polymer segment of which consists of units of at least one fluorine-containing ethylenically unsaturated compound having 2 to 8 carbon atoms, or units of said fluorine-containing ethylenically unsaturated compound and at least one other monomer selected from the group consisting a fluorine-free ethylenically unsaturated compound having 2 to 4 carbon atoms and a fluorine-containing diene having 4 to 8 carbon atoms, (2) at least one bromine atom liberated from a brominated compound of the formula: RBr.sub.x (wherein R is a saturated hydrocarbon residue and x is a number corresponding to the bonding valency of the residue R) in an amount of 0.001 to 10% by weight based on the polymer weight and (3) a fragment of the brominated compound excluding the said liberated bromine atom therefrom, bonded to the polymeric chain, the polymer being prepared by polymerizing said fluorine-containing ethylenically unsaturated compound with or without said other monomer in the presence of a radical producing source and the brominated compound in at least one step.
    • 一种易交联的含氟聚合物,包括:(1)包含一个或多个聚合物链段的聚合物链,其至少一个聚合物链段由至少一个具有2-8个碳原子的含氟烯属不饱和化合物的单元组成, 或所述含氟烯键式不饱和化合物的单元和选自具有2-4个碳原子的无氟烯键式不饱和化合物和具有4-8个碳原子的含氟二烯烃的至少一种其它单体,(2) 从以下式的溴化化合物释放的至少一个溴原子:基于以下化学式的溴化化合物:RBrx(其中R是饱和烃残基,x是对应于残基R的键合化合价的数),其量为0.001至10重量%,基于 聚合物重量和(3)除了结合到聚合物链上的所述释放的溴原子的溴化化合物的片段,聚合物由聚合物 在自由基产生源和溴化化合物的存在下,在至少一个步骤中使含有或不含所述其它单体的含氟烯键式不饱和化合物的化学化。